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Samarium
Samarium

Polonium
Polonium



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Samarium
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Polonium

Samarium and Polonium Periodic Table

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Periodic Table

Symbol

Sm
Po

Group Number

316
0 17
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Period Number

66
2 7
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Block

f block
p block

Element Family

Lanthanide
Post-​Transition

CAS Number

74401997440086
7429905 54386242
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Space Group Name

R_ 3m
Pm-3m

Space Group Number

166.00221.00
11 276
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